Going further: the Van Allen belt

How is a satellite built? How do they fly? How do they communicate and how does the network operate? You will get all the answers in this course from teachers and researchers from three schools associated with Institut Mines-Télécom.
The course is made of : teaching videos, equipment demonstrations and simulation programs. They will guide you through the discovery of satellite communications. Professionals in the space field will share there vocation for this scientific and technical sector.
Have you ever wanted to know more about transponders, the geostationary orbit, QPSK modulation, channel coding, link budget, TCP over large bandwdith x delay product links ?
This course is for you! This course is available in English: French-speaking lecturers with English subtitles and fully translated contents (slides, practices).
This MOOC is supported by the Patrick and Lina Drahi Foundation.

教學方

Laurent Franck

Tarik Benaddi

Julien Fasson

Nathalie Thomas

Marie-Laure Boucheret

腳本

-I said that space was a rather unfriendly place. Among radiation sources, there is the Van Allen belt. It is an area located around Earth in which high-energy particles are concentrated. Those particles are noxious for humans but also for electronic circuits. The story of the discovery of these radiation areas is really interesting. It all began in 1958 when Explorer 1 was launched, the first American satellite, a few months after Sputnik 1. At that time, a physicist, James Van Allen, suggested to embark a Geiger counter aboard the Explorer 1 satellite. It was this Geiger counter which measured the presence of radiations in space. The interesting fact for this MOOC, is to wonder how the measures performed by the Geiger counter were retrieved on Earth since the satellite was not meant to get back to Earth. The answer is very simple. The measures were retransmitted on Earth by radio waves. So this first American artificial satellite was also the first observation satellite. Those observations allowed us to prepare the continuation of space conquest which was the first man to set foot on the moon. This had been announced in 1962 by John Fitzgerald Kennedy. If you look at the illustration on the right, this is Eddie Van Halen not to be mistaken for van Allen. But he is not unknown, he is a very good guitarist. If you do not believe me, listen carefully to the guitar solo in Michael Jackson's "Beat It".